| /* |
| * Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @assertion Overriding a field which is marked both final and late with a |
| * member which does not otherwise introduce a setter introduces an implicit |
| * setter which throws. |
| * |
| * @description Check that overriding a field which is marked both final and |
| * late with a member which does not otherwise introduce a setter introduces an |
| * implicit setter which throws. |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| import "../../Utils/expect.dart"; |
| |
| class A { |
| late final int x; |
| late final int? y; |
| } |
| class B extends A { |
| int get x => 3; |
| int? get y => 3; |
| } |
| class C extends A { |
| late final int x = 3; |
| late final int y = 3; |
| } |
| void test() { |
| Expect.throws(() => new B().x = 3); |
| Expect.throws(() => new C().x = 3); |
| Expect.throws(() => new B().y = 3); |
| Expect.throws(() => new C().y = 3); |
| } |